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Fiesta28 [93]
2 years ago
8

9 ( 3x + 5y - 11x + 8 )​

Mathematics
1 answer:
harina [27]2 years ago
7 0

Answer: -72x+45y+72

Step-by-step explanation:

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Can someone please help me
Marrrta [24]

Based on the knowledge of <em>trigonometric</em> expressions and properties of <em>trigonometric</em> functions, the value of the <em>sine</em> function is equal to - √731 / 30.

<h3>How to find the value of a trigonometric function</h3>

Herein we must make use of <em>trigonometric</em> expressions and properties of <em>trigonometric</em> functions to find the right value. According to trigonometry, both cosine and sine are <em>negative</em> in the <em>third</em> quadrant. Thus, by using the <em>fundamental trigonometric</em> expression (sin² α + cos² α = 1) and substituting all known terms we find that:

\sin \theta = -\sqrt{1 - \cos^{2}\theta}

\sin \theta = - \sqrt{1 - \left(-\frac{13}{30} \right)^{2}}

sin θ ≈ - √731 / 30

Based on the knowledge of <em>trigonometric</em> expressions and properties of <em>trigonometric</em> functions, the value of the <em>sine</em> function is equal to - √731 / 30.

To learn more on trigonometric functions: brainly.com/question/6904750

#SPJ1

7 0
2 years ago
Solve : 3x - 3 = 2x<br><br> if you can show workings that would be great thank you !
Diano4ka-milaya [45]

Answer:

3

Step-by-step explanation:

3x-3=2x

3x-2x=3

x=3

5 0
2 years ago
Read 2 more answers
A Ferris wheel can accommodate 65 people in 15 minutes. How many people could ride the Ferris wheel in 2 hours? What was that ra
densk [106]

Answer:

520 people in 2 hours

rate = 260 people per hour

Step-by-step explanation:

change minutes to hours

15 minute* 1 hr/60 minutes = .25 hrs

65 people      x people

---------------  = ------------------

.25 hrs            2 hrs


using cross products

65 * 2 = .25 * x

130 = .25x

divide by .25

130/.25 = .25x/.25

520 =x

520 people

65 people      x people

---------------  = ------------------

.25 hrs            1 hrs

using cross products

65 = .25x

divide by .25

65/.25 = .25x/.25

260 =x

260 people in 1 hour

rate = 260 people per hour

5 0
3 years ago
How do I do it! Answer pls givin the brainliest
pychu [463]
Ok so she has to pay 30 percent more of the 20 dollars she already has to pay because of the tax and then the tip so you multiply 20 by .30 which is six then you add that to 20 which is 26
8 0
3 years ago
Read 2 more answers
Add or subtract each expression.Simplify your final answer show all work.
Elan Coil [88]
1) 2x-1 or x=1/2
2) 5a-16 or a=16/5
8 0
3 years ago
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